linux-kernel - Re: Wrong system clock vs X.509 date specifiers

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Message-ID: <1348588977.22489.55.camel@vespa.frost.loc>
Date:	Tue, 25 Sep 2012 18:02:57 +0200
From:	Tomas Mraz <tmraz@...hat.com>
To:	David Howells <dhowells@...hat.com>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, rusty@...tcorp.com.au,
	herbert@...dor.hengli.com.au, pjones@...hat.com,
	jwboyer@...hat.com, linux-crypto@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, keyrings@...ux-nfs.org
Subject: Re: Wrong system clock vs X.509 date specifiers

On Tue, 2012-09-25 at 16:35 +0100, David Howells wrote: 
> Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
> 
> > Generate a certificate that is valid from a few minutes before the
> > wallclock time. It's a certificate policy question not a kernel hackery
> > one.
> 
> That doesn't seem to be possible with openssl req.  What would you recommend?

You can use openssl ca that allows to set arbitrary start date to
generate selfsigned certs as well (-selfsign option).
-- 
Tomas Mraz
No matter how far down the wrong road you've gone, turn back.
                                              Turkish proverb

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